ISBN 9784863261457 books & textbook
Ijika no jissen doriru : Ijika shokuin shinryo joho kanrishi hikkei reseputo sakusei tenken kara dipishi kodingu made.
Sanrosogokenkyujoshuppanbukeieishoin. /2013-04-18 Tankobon Hardcover
isbn-10: 4863261454 / isbn-13: 9784863261457